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Mohammadi–Zerankeshi, Meysam, Ghanbari, Reza, Alizadeh, Reza. (1403). Effects of heat treatment on the microstructural stability, mechanical properties and degradability of as-cast Mg–1Y and Mg–1Ca alloys: A comparative study. , 57(1), 1-8. doi: 10.22059/jufgnsm.2024.01.01
Meysam Mohammadi–Zerankeshi; Reza Ghanbari; Reza Alizadeh. "Effects of heat treatment on the microstructural stability, mechanical properties and degradability of as-cast Mg–1Y and Mg–1Ca alloys: A comparative study". , 57, 1, 1403, 1-8. doi: 10.22059/jufgnsm.2024.01.01
Mohammadi–Zerankeshi, Meysam, Ghanbari, Reza, Alizadeh, Reza. (1403). 'Effects of heat treatment on the microstructural stability, mechanical properties and degradability of as-cast Mg–1Y and Mg–1Ca alloys: A comparative study', , 57(1), pp. 1-8. doi: 10.22059/jufgnsm.2024.01.01
Mohammadi–Zerankeshi, Meysam, Ghanbari, Reza, Alizadeh, Reza. Effects of heat treatment on the microstructural stability, mechanical properties and degradability of as-cast Mg–1Y and Mg–1Ca alloys: A comparative study. , 1403; 57(1): 1-8. doi: 10.22059/jufgnsm.2024.01.01

Effects of heat treatment on the microstructural stability, mechanical properties and degradability of as-cast Mg–1Y and Mg–1Ca alloys: A comparative study

Journal of Ultrafine Grained and Nanostructured Materials
دوره 57، شماره 1، شهریور 2024، صفحه 1-8    اصل مقاله (1.12 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22059/jufgnsm.2024.01.01
نویسندگان
Meysam Mohammadi–Zerankeshi1؛ Reza Ghanbari1؛ Reza Alizadeh* 2
1Department of Materials Science and Engineering, Sharif University of Technology Tehran, Iran
2Sharif University of Technology
چکیده
Y and Ca are two alloying elements which are being extensively used to enhance different properties and address the challenges of biodegradable Mg alloys. In this study, the efficiency of Y and Ca for improving microstructure stability during high-temperature solution treatment was assessed and compared by studying the microstructure as well as the mechanical and degradation properties of Mg–1wt%Y and Mg–1wt%Ca alloys. X-ray diffraction and field emission scanning electron microscopy studies demonstrated presence of Mg24Y5 and Mg2Ca particles in Mg–1Y and Mg–1Ca alloys, respectively. In addition, the Mg–1Y alloy witnessed a significantly higher level of grain growth in comparison with Mg–1Ca alloy. The results of shear punch test and hardness experiments demonstrated greater mechanical strength perseverance of Ca-incorporated alloy as the result of the presence of Mg2Ca phase as well as the finer microstructure. Accordingly, it can be pointed out that Ca is a more suitable element for stabilizing the microstructure of Mg-based alloys at high temperatures in comparison with Y. On the other hand, the hydrogen evolution test in phosphate-buffer saline (PBS) solution showed that Y-incorporated alloy possessed higher corrosion resistance. Also, reducing the micro-galvanic corrosion effects by long-term annealing in high temperatures can be an effective approach to enhance the degradability of both alloys, where the best corrosion resistance was observed in annealed Mg–1Y alloy.
کلیدواژه‌ها
Ca addition؛ Corrosion؛ Heat treatment؛ Mechanical properties؛ Thermal stability؛ Y addition
سایر فایل های مرتبط با مقاله
مراجع
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